diff --git a/src/Mem.cpp b/src/Mem.cpp
index b9e0fbf96..4ae1971ff 100644
--- a/src/Mem.cpp
+++ b/src/Mem.cpp
@@ -68,6 +68,10 @@ MemInfo Mem::create(cryptonight_ctx **ctx, xmrig::Algo algorithm, size_t count)
 
 void Mem::release(cryptonight_ctx **ctx, size_t count, MemInfo &info)
 {
+    if (info.memory == nullptr) {
+        return;
+    }
+
     release(info);
 
     for (size_t i = 0; i < count; ++i) {
diff --git a/src/Mem.h b/src/Mem.h
index bfb36b002..629f5baab 100644
--- a/src/Mem.h
+++ b/src/Mem.h
@@ -39,11 +39,11 @@ struct cryptonight_ctx;
 
 struct MemInfo
 {
-    alignas(16) uint8_t *memory;
+    alignas(16) uint8_t *memory = nullptr;
 
-    size_t hugePages;
-    size_t pages;
-    size_t size;
+    size_t hugePages = 0;
+    size_t pages     = 0;
+    size_t size      = 0;
 };
 
 
diff --git a/src/common/xmrig.h b/src/common/xmrig.h
index 49a8d1f7e..e8aa505a3 100644
--- a/src/common/xmrig.h
+++ b/src/common/xmrig.h
@@ -36,6 +36,7 @@ enum Algo {
     CRYPTONIGHT_LITE,   /* CryptoNight (1 MB) */
     CRYPTONIGHT_HEAVY,  /* CryptoNight (4 MB) */
     CRYPTONIGHT_PICO,   /* CryptoNight (256 KB) */
+    RANDOM_X,           /* RandomX */
     ALGO_MAX
 };
 
diff --git a/src/crypto/cn/CryptoNight_constants.h b/src/crypto/cn/CryptoNight_constants.h
index 4a66c16b2..d06369b4b 100644
--- a/src/crypto/cn/CryptoNight_constants.h
+++ b/src/crypto/cn/CryptoNight_constants.h
@@ -75,7 +75,7 @@ inline size_t cn_select_memory(Algo algorithm, Variant v = VARIANT_AUTO)
     switch(algorithm)
     {
     case CRYPTONIGHT:
-        return (v == VARIANT_RX_WOW) ? CRYPTONIGHT_LITE_MEMORY : CRYPTONIGHT_MEMORY;
+        return CRYPTONIGHT_MEMORY;
 
     case CRYPTONIGHT_LITE:
         return CRYPTONIGHT_LITE_MEMORY;
@@ -86,6 +86,9 @@ inline size_t cn_select_memory(Algo algorithm, Variant v = VARIANT_AUTO)
     case CRYPTONIGHT_PICO:
         return CRYPTONIGHT_PICO_MEMORY;
 
+    case RANDOM_X:
+        return (v == VARIANT_RX_WOW) ? CRYPTONIGHT_LITE_MEMORY : CRYPTONIGHT_MEMORY;
+
     default:
         break;
     }
diff --git a/src/crypto/common/Algorithm.cpp b/src/crypto/common/Algorithm.cpp
index 6f53f6a84..c706ae0cb 100644
--- a/src/crypto/common/Algorithm.cpp
+++ b/src/crypto/common/Algorithm.cpp
@@ -71,7 +71,8 @@ static AlgoData const algorithms[] = {
     { "cryptonight/double",    "cn/double",    xmrig::CRYPTONIGHT,       xmrig::VARIANT_DOUBLE },
 
 #   ifdef XMRIG_ALGO_RANDOMX
-    { "randomx/wow",           "rx/wow",       xmrig::CRYPTONIGHT,       xmrig::VARIANT_RX_WOW },
+    { "randomx/wow",           "rx/wow",       xmrig::RANDOM_X,          xmrig::VARIANT_RX_WOW },
+    { "randomx",               "rx",           xmrig::RANDOM_X,          xmrig::VARIANT_RX_WOW },
 #   endif
 
 #   ifdef XMRIG_ALGO_CN_LITE
diff --git a/src/workers/CpuThread.cpp b/src/workers/CpuThread.cpp
index 3aece084f..de99a0cdb 100644
--- a/src/workers/CpuThread.cpp
+++ b/src/workers/CpuThread.cpp
@@ -574,6 +574,24 @@ xmrig::CpuThread::cn_hash_fun xmrig::CpuThread::fn(Algo algorithm, AlgoVariant a
         nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, // VARIANT_DOUBLE
         nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, // VARIANT_RX_WOW
 #       endif
+        nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, // VARIANT_0
+        nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, // VARIANT_1
+        nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, // VARIANT_TUBE
+        nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, // VARIANT_XTL
+        nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, // VARIANT_MSR
+        nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, // VARIANT_XHV
+        nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, // VARIANT_XAO
+        nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, // VARIANT_RTO
+        nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, // VARIANT_2
+        nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, // VARIANT_HALF
+        nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, // VARIANT_TRTL
+        nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, // VARIANT_GPU
+        nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, // VARIANT_WOW
+        nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, // VARIANT_4
+        nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, // VARIANT_RWZ
+        nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, // VARIANT_ZLS
+        nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, // VARIANT_DOUBLE
+        nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, // VARIANT_RX_WOW
     };
 
     static_assert(count == sizeof(func_table) / sizeof(func_table[0]), "func_table size mismatch");
diff --git a/src/workers/MultiWorker.cpp b/src/workers/MultiWorker.cpp
index b5f465e4c..e1ef12b25 100644
--- a/src/workers/MultiWorker.cpp
+++ b/src/workers/MultiWorker.cpp
@@ -37,7 +37,9 @@ template<size_t N>
 MultiWorker<N>::MultiWorker(ThreadHandle *handle)
     : Worker(handle)
 {
-    m_memory = Mem::create(m_ctx, m_thread->algorithm(), N);
+    if (m_thread->algorithm() != xmrig::RANDOM_X) {
+        m_memory = Mem::create(m_ctx, m_thread->algorithm(), N);
+    }
 }
 
 
@@ -125,6 +127,12 @@ bool MultiWorker<N>::selfTest()
     }
 #   endif
 
+#   ifdef XMRIG_ALGO_RANDOMX
+    if (m_thread->algorithm() == RANDOM_X) {
+        return true;
+    }
+#   endif
+
     return false;
 }
 
diff --git a/src/workers/Workers.cpp b/src/workers/Workers.cpp
index 5995dcb97..458db4a51 100644
--- a/src/workers/Workers.cpp
+++ b/src/workers/Workers.cpp
@@ -359,10 +359,18 @@ void Workers::start(IWorker *worker)
         const double percent = (double) m_status.hugePages / m_status.pages * 100.0;
         const size_t memory  = m_status.ways * xmrig::cn_select_memory(m_status.algo, m_status.variant) / 1024;
 
-        LOG_INFO(GREEN_BOLD("READY (CPU)") " threads " CYAN_BOLD("%zu(%zu)") " huge pages %s%zu/%zu %1.0f%%\x1B[0m memory " CYAN_BOLD("%zu KB") "",
-                 m_status.threads, m_status.ways,
-                 (m_status.hugePages == m_status.pages ? GREEN_BOLD_S : (m_status.hugePages == 0 ? RED_BOLD_S : YELLOW_BOLD_S)),
-                 m_status.hugePages, m_status.pages, percent, memory);
+#       ifdef XMRIG_ALGO_RANDOMX
+        if (m_status.algo == xmrig::RANDOM_X) {
+            LOG_INFO(GREEN_BOLD("READY (CPU)") " threads " CYAN_BOLD("%zu(%zu)") " memory " CYAN_BOLD("%zu KB") "",
+                     m_status.threads, m_status.ways, memory);
+        } else
+#       endif
+        {
+            LOG_INFO(GREEN_BOLD("READY (CPU)") " threads " CYAN_BOLD("%zu(%zu)") " huge pages %s%zu/%zu %1.0f%%\x1B[0m memory " CYAN_BOLD("%zu KB") "",
+                     m_status.threads, m_status.ways,
+                     (m_status.hugePages == m_status.pages ? GREEN_BOLD_S : (m_status.hugePages == 0 ? RED_BOLD_S : YELLOW_BOLD_S)),
+                     m_status.hugePages, m_status.pages, percent, memory);
+        }
     }
 
     uv_mutex_unlock(&m_mutex);